#include<stdio.h>
#define add(A , B) {int C;C = A + B;printf("相加的结果为%d\n" , C );}
#define minus(A , B)  {int C;C = A - B;printf("相减的结果为%d\n" , C );}
#define ride(A , B)  {int C;C = A * B;printf("相乘的结果为%d\n" , C );}
#define di(A , B)  {double C;C = A / B;printf("相除的结果为%.2f\n" , C );}

int main(int argc, char const *argv[])
{
    add(1 , 2);
    minus(1 , 2);
    ride(1 , 2);
    di(1 , 2);
    return 0;
}
